public LocStatsData CountLocStream(Stream stream)
{
int sloc = 0;
int cloc = 0;
int eloc = 0;
bool inCommentMode = false;
using (StreamReader reader = new StreamReader(stream))
{
//Looping through the file stream.
while (true)
{
string line = reader.ReadLine();
if (line == null) //End of file.
{
break;
}
if (line.Trim().Length == 0) //Empty line
{
eloc++;
}
sloc++; //Incrementig the sloc at each iteration.
//if we are in a multi line comment
if (inCommentMode == true)
{
cloc++;
}
int commentInIndex = line.IndexOf(@"<%--", StringComparison.Ordinal);
int commentOutIndex = line.IndexOf(@"--%>", StringComparison.Ordinal);
if (commentInIndex >= 0 &&
inCommentMode == false)
{
cloc++;
if (commentOutIndex < commentInIndex)
{
inCommentMode = true;
}
}
if (commentOutIndex >= 0 &&
inCommentMode == true)
{
inCommentMode = false;
}
}
}
LocStatsData returnData = new LocStatsData(sloc, cloc, eloc);
return(returnData);
}
/// <summary>
/// Gets the loc stats data.
/// </summary>
/// <returns>Returns the combined loc stats of the group</returns>
public override LocStatsData GetLocStatsData()
{
LocStatsData groupData = new LocStatsData(0, 0, 0);
foreach (LocMetricsBase childLocMetrics in groupLocStatsData)
{
LocStatsData childLocStatsData = childLocMetrics.GetLocStatsData();
groupData.Add(childLocStatsData);
}
return(groupData);
}
/// <summary>
/// Writes the XML for current file.
/// </summary>
/// <param name="writer">The XML writer.</param>
public void WriteXml(XmlWriter writer)
{
writer.WriteStartElement("Item");
writer.WriteAttributeString("FileName", this.FileName);
writer.WriteAttributeString("FileType", this.FileType);
LocStatsData locStatsData = GetLocStatsData();
writer.WriteStartElement("LoC");
writer.WriteElementString("ELoC", Convert.ToString(locStatsData.Eloc, CultureInfo.InvariantCulture));
writer.WriteElementString("SLoC", Convert.ToString(locStatsData.Sloc, CultureInfo.InvariantCulture));
writer.WriteElementString("CLoc", Convert.ToString(locStatsData.Cloc, CultureInfo.InvariantCulture));
writer.WriteEndElement();
WriteSubitemsXml(writer);
writer.WriteEndElement();
}
/// <summary>
/// This method counts the loc statistics.
/// </summary>
/// <param name="stream">The stream representing a single
/// file from which we count the loc statistics.</param>
/// <returns>LocStatsData object with the results.</returns>
public LocStatsData CountLocStream(Stream stream)
{
int sloc = 0;
int cloc = 0;
int eloc = 0;
bool inCommentMode = false; //For indicating multiline comments.
using (StreamReader reader = new StreamReader(stream))
{
//Looping through the file stream.
while (true)
{
string line = reader.ReadLine();
if (line == null) //End of file.
{
break;
}
if (line.Trim().Length == 0) //Empty line
{
eloc++;
}
sloc++; //Incrementig the sloc at each iteration.
//if we are in a multi line comment
if (inCommentMode == true)
{
cloc++;
}
//The start of the comment '//' characters, if any present.
int commentIndex = line.IndexOf(@"//", StringComparison.Ordinal);
//The start of the 'old' comment '/*' start characters, if any present.
int oldIndexStart = line.IndexOf(@"/*", StringComparison.Ordinal);
//The start of the 'old' comment '/*' end characters, if any present.
int oldIndexEnd = line.IndexOf(@"*/", StringComparison.Ordinal);
//Index of quotes if there are any. Used to point oout comments inside strings.
int quoteIndex1 = line.IndexOf("\"", StringComparison.Ordinal);
int quoteIndex2 = line.LastIndexOf("\"", StringComparison.Ordinal);
//First handle the old style commenting '/* */'.
if (oldIndexStart > -1 && //We found the old comment start sign
inCommentMode != true && //and we are not already in a comment
!(quoteIndex1 < oldIndexStart && //and that comment is not inside quotes = string.
oldIndexStart < quoteIndex2))
{
if (commentIndex == -1 || //Check that the old comment sign is not after a '//'
commentIndex > oldIndexStart)
{
if (oldIndexEnd > oldIndexStart) //If we have the old comment end sign '*/'in the same line
{
cloc++; //we increment the cloc and that's it.
}
else
{
inCommentMode = true; //Else we mark that also the next line we are in a comment.
}
}
}
//Now handle the '//' and '///' comments
if (commentIndex > -1 && //If we found the comment sign
(oldIndexStart == -1 || oldIndexStart > commentIndex) && //and it is not inside a comment
inCommentMode == false && //and we are not already in a comment
!(quoteIndex1 < commentIndex && //and that comment is not inside quotes = string
commentIndex < quoteIndex2))
{
cloc++; //we increment the cloc.
}
//If we found the end of the old style comment
if (oldIndexEnd > -1 &&
inCommentMode == true)
{
cloc++;
inCommentMode = false;
}
}
}
//Return data.
LocStatsData returnData = new LocStatsData(sloc, cloc, eloc);
return(returnData);
}
